yomichan/dev/util.js

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JavaScript
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/*
* Copyright (C) 2020 Yomichan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
const fs = require('fs');
const path = require('path');
let JSZip = null;
function getJSZip() {
if (JSZip === null) {
process.noDeprecation = true; // Suppress a warning about JSZip
JSZip = require(path.join(__dirname, '../ext/mixed/lib/jszip.min.js'));
process.noDeprecation = false;
}
return JSZip;
}
function getArgs(args, argMap) {
let key = null;
let canKey = true;
let onKey = false;
for (const arg of args) {
onKey = false;
if (canKey && arg.startsWith('--')) {
if (arg.length === 2) {
canKey = false;
key = null;
onKey = false;
} else {
key = arg.substring(2);
onKey = true;
}
}
const target = argMap.get(key);
if (typeof target === 'boolean') {
argMap.set(key, true);
key = null;
} else if (typeof target === 'number') {
argMap.set(key, target + 1);
key = null;
} else if (target === null || typeof target === 'string') {
if (!onKey) {
argMap.set(key, arg);
key = null;
}
} else if (Array.isArray(target)) {
if (!onKey) {
target.push(arg);
key = null;
}
} else {
console.error(`Unknown argument: ${arg}`);
key = null;
}
}
return argMap;
}
function getAllFiles(baseDirectory, relativeTo=null, predicate=null) {
const results = [];
const directories = [baseDirectory];
while (directories.length > 0) {
const directory = directories.shift();
const fileNames = fs.readdirSync(directory);
for (const fileName of fileNames) {
const fullFileName = path.join(directory, fileName);
const relativeFileName = (relativeTo !== null ? path.relative(relativeTo, fullFileName) : fullFileName);
const stats = fs.lstatSync(fullFileName);
if (stats.isFile()) {
if (typeof predicate !== 'function' || predicate(fullFileName, directory, baseDirectory)) {
results.push(relativeFileName);
}
} else if (stats.isDirectory()) {
directories.push(fullFileName);
}
}
}
return results;
}
function getDefaultManifest() {
const {manifest} = getDefaultManifestAndVariants();
return manifest;
}
function getDefaultManifestAndVariants() {
const fileName = path.join(__dirname, 'data', 'manifest-variants.json');
const {manifest, variants} = JSON.parse(fs.readFileSync(fileName));
return {manifest, variants};
}
function createManifestString(manifest) {
return JSON.stringify(manifest, null, 4) + '\n';
}
function createDictionaryArchive(dictionaryDirectory, dictionaryName) {
const fileNames = fs.readdirSync(dictionaryDirectory);
const JSZip2 = getJSZip();
const archive = new JSZip2();
for (const fileName of fileNames) {
if (/\.json$/.test(fileName)) {
const content = fs.readFileSync(path.join(dictionaryDirectory, fileName), {encoding: 'utf8'});
const json = JSON.parse(content);
if (fileName === 'index.json' && typeof dictionaryName === 'string') {
json.title = dictionaryName;
}
archive.file(fileName, JSON.stringify(json, null, 0));
} else {
const content = fs.readFileSync(path.join(dictionaryDirectory, fileName), {encoding: null});
archive.file(fileName, content);
}
}
return archive;
}
module.exports = {
get JSZip() { return getJSZip(); },
getArgs,
getAllFiles,
getDefaultManifest,
getDefaultManifestAndVariants,
createManifestString,
createDictionaryArchive
};